当换路时,磁场能WL不能跃变则反映在电感中的()不能跃变。
A.电感量
B.电容量
C.电流
D.端电压
参考答案:C
She never loses _______ with students , which made her the most popular teacher in our school.
A.balance
B.patience
C.independence
D.experience
检测敏感度可达到皮克(pg)级水平的免疫学技术是
A.对流免疫电泳
B.免疫荧光抗体技术
C.SPA 协同凝集试验
D.放射免疫分析技术
E.免疫酶组化染色技术